Non-potable hydronic heating expansion tanks

HWB-18LX

The HeatWave™ Tank 18 liter / 4.76 gallon inline model offers reliable performance for closed-loop heating systems. Its high-grade butyl diaphragm and patented chromed steel water connection ensure effective handling of fluid expansion in radiant heating circuits. The sealed brass air valve with an O-ring cap delivers years of maintenance-free operation.

Finished in Gray dual-layer polyurethane paint for corrosion resistance, this tank is built to withstand demanding environments. Its inline design and 0.75" BSPT (c/w NPT) connection allow for easy installation, while its ability to handle pressures of up to 0.7 bar / 10 psi makes it suitable for a variety of hydronic applications.

  • Closed loop heating circuits
  • Hydronic heating circuits

MODEL NUMBER: HWB-18LX

Temp Max: 99°C / 210.2°F

Pressure Pre-charge bar: 0.7 bar / 10 psi

Nominal Volume: 18 Liter / 4.76 Gallon

Connection: 0.75" BSPT (M)

Color: Gray

Pressure Max: 6 bar / 87 psi

Diameter: 27.9 cm / 11 in

Features & Benefits

  • Leak-free O-ring sealed air valve
  • Dual layer polyurethane paint finish
  • High-grade butyl diaphragm design
  • Patented chromed steel water connection
  • Maintenance-free
  • Comprehensive testing

Product Certifications

CE

Europe

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EAC

Russia

Downloads

SELL SHEET HEATWAVE EN

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Model number: SWB-18LX
SolarWave™ 18-liter / 4.76-gallon inline expansion tank with a 0.75" BSPT (c/w NPT) connection, pre-charged to 1.9 bar / 28 psi. Durable and compact.

TEMP MAX: 130°C / 266°F

PRESSURE PRE-CHARGE BAR: 1.9 bar / 28 psi

NOMINAL VOLUME: 18 Liter / 4.76 Gallon

CONNECTION: 0.75" BSPT (M)

COLOR: White

PRESSURE MAX: 10 bar / 150 psi

DIAMETER: 27.9 cm / 11 in

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